Simplex 4098-9614 - Setting the Tone for the 4098-9773 CO Sounder Base and the 4098-9772 Sounder Base

4.5 Setting the Tone for the 4098-9773 CO Sounder Base and the 4098-9772 Sounder
Base
These bases can output either a Low Frequency Alarm Tone 520 Hz, or a Broadband Horn Tone. 520 Hz is the factory default, but the tone
can be manually selected using a DIP switch near the relay/Remote LED wire pair exit hole.
Figure 19: Setting the Tone for 4098-9772 Sounder Base and 4098-9773 CO Sounder Base
page 30 574-709 Rev. AP
4098 Detectors, Sensors, and Bases Application Manual